Eutrophication in Jamaica Bay
235
TABLE 1
Microplankton Sampling Data and Calculations
Date
14 Dec. 68
19 Feb. 69
21 Apr. 69
11 Jun.69
21 Aug. 69
3 Nov/69
15 Dec. 69
3 Mar. 70
29 Apr. 70
1 Jul. 70
17 Aug. 70
Avg. *
Biomass,
X,
(mg/ß)
0.82
7.50
6.70
0.11
0.50
20.6
92.3
13.0
0.51
0.016
1.48
Geom.
Mean
Bionumber
No./ml
300
21,700
710
5.9
148
549
6,630
22,100
3,590
377
181
Unit
Mass
(106 mg)
2.7
0.35
9.6
18.6
3.4
37.5
13.9
0.59
0.14
0.043
8.2
Nominal
Diameter,
D
( μ )
18
8.9
27
33
19
42
30
10
6.5
4.4
25
Effective
Biomass, γ '
1 0 X l / D
l
(mg/ fi)
0.46
8.4
2.5
0.033
0.26
5.0
31
13
0.78
0.036
0.60
Temp,
T
(°C)
3
0.5
11.5
21
24
13
3
2.5
12
21
25.5
* Averages for High Tide and Low Tide Sampling at Sta 4-15.
TABLE 2
Photosynthetic Oxygen Production Data and Calculations
Date
18 Feb. 70
24 Mar. 69
10 Apr. 69
11 May 70
31 Jul. 69
31 Oct. 69
Gross Production, ?Q
(gm/m
2 day)
5.30
7.05
11.0
12.2
9.2
3.6
(mg/ß day)
1.06
1.41
2.20
2.42
1.84
0.71
Xi
*
(mg/ß)
17
3.5
2.4
0.30
0.11
6.0
PG
0.062
0.40
0.92
8.1
16.7
0.12
Temp.
(°C)
1.5
5.5
9.5
14.5
24
11.5
d s a 0
Oeff= -^—
2h
(cal/cm
2 'day)
9.6
12.4
12.3
14.6
13.8
17.9
PG
(X/Mtfeff)
0.0065
0.032
0.075
0.55
1.2
0.0067
*Extrapolated